40 x 12.00mm Steel Screws Posi Box of 200

High performance 12.0mm x 40mm countersunk pozi screw for fixing insulation to joists, roof decking, roofing boards and roofing batten.

Features:

• Heavy-duty timber and deck Joist Screw replaces traditional coach screws or coach bolts.
• Pozi, Reinforced Double Countersunk Head – Reduces head breakage and assists countersinking.
• Self - Countersinking Ribs – For improved countersinking and a flush finish.
• Waxed zinc and Yellow Passivated Finish – Corrosion resistant and significantly reduces torque.
• Milling Tread – Reduces torque, prevents splitting and torque.